สูตรสี่ เหลี่ยมคางหมู
ภาษา ซี
# include <stdio.h>
# include <conio.h>
int main()
{
int side1,side2,high;
float area;
printf("\nEnter Side 1 :");
scanf("%d",&side1);
printf("\nEnter Side 2 :");
scanf("%d",&side2);
printf("\nEnter High :");
scanf("%d",&high);
area =(side1+side2)*high/2;
printf("%f",area);
getch();
}